IMO- Mathematics Olympiad Class 9: Questions 103 - 107 of 919

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Question number: 103

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the given figure, AB DE then the value of x is ________.

Figure defines lines and angles value

Figure Defines Lines and Angles Value

Image defines the angles values and find the value of x

Choices

Choice (4) Response

a.

35˚

b.

25˚

c.

45˚

d.

55˚

Question number: 104

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The value of x in the given figure is ________

Image shows the angles

Image Shows the Angles

Image defines the different angle and find the value of x

Choices

Choice (4) Response

a.

130˚

b.

120˚

c.

114˚

d.

118˚

Question number: 105

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure, bisectors of ∠Q and ∠S of a quadrilateral PQRS meet RS and PQ produced at X and Y respectively. Then X+Y is ________

Image defines the quadrilateral PQRS

Image Defines the Quadrilateral PQRS

Image defines the quadrilateral PQRS and find the angle x and y

Choices

Choice (4) Response

a.

12(PQR+PSR)

b.

12(PSR+QRS)

c.

12(SPQ+PRS)

d.

12(PQR+SPQ)

Question number: 106

» Lines, Angles and Quadrilaterals

MCQ▾

Question

How many sides does a regular polygon have, each angle of which is of measure 108˚?

Choices

Choice (4) Response

a.

5

b.

7

c.

8

d.

6

Question number: 107

» Lines, Angles and Quadrilaterals

MCQ▾

Question

DEF is an equilateral triangle for side 12cm . A, B and C are midpoints of DE, EF and DF respectively. The area of triangle JKL is (in cm2 ) ________

DEF is an equilateral triangle for side given

DEF Is an Equilateral Triangle for Side Given

Image DEF is an equilateral triangle, find the area of triangle is ABC

Choices

Choice (4) Response

a.

143

b.

153

c.

363

d.

113

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